<?xml version="1.0" encoding="utf-8"?>
<mameconfig version="10">
  <controlleralias>
    <id>keyboard</id>
    <alias>keyboard</alias>
  </controlleralias>
  <system name="default">
    <controller id="keyboard">
      <input>
        <port type="START1">
          <newseq type="standard">KEYCODE_1</newseq>
        </port>
      </input>
    </controller>
    <input />
  </system>
</mameconfig>